jsc2021e058717 (11/10/2021) --- A preflight image of graphene hydrogel in aqueous solution. Space-production of Lightweight 3D Graphene Aerogels ( SUBSA-ugGA ) examines graphene-based hydrogel production on Earth and in microgravity conditions, towards producing aerogels with improved microstructure uniformity and material properties for both Earth and space applications. Image courtesy of UC Berkeley, Prof. Maboudian.